Search results
Results from the WOW.Com Content Network
The first instrumental analysis was flame emissive spectrometry developed by Robert Bunsen and Gustav Kirchhoff who discovered rubidium (Rb) and caesium (Cs) in 1860. [4] Most of the major developments in analytical chemistry took place after 1900. During this period, instrumental analysis became progressively dominant in the field.
Instrumental analysis is a field of analytical chemistry that investigates analytes using scientific instruments. Block diagram of an analytical instrument showing the stimulus and measurement of response
The technique is widely used across a range of applications, both as a routine quality test and as a research tool. The equipment is easy to calibrate, using low melting indium at 156.5985 °C for example, and is a rapid and reliable method of thermal analysis. [citation needed]
The journal publishes the complete scientific documentation of the CERN Large Hadron Collider machine and detectors.These papers are published as open access. [6] It also publishes the technical reports concerning the Planck Low Frequency Instrument on board the European Space Agency's Planck satellite, which was launched in May 2009, and the three-volume technical report of the Deep ...
The resulting signals and corresponding spiked silver concentrations are plotted, with concentration on the x-axis and the signal on the y-axis. A regression line is calculated through least squares analysis and the x-intercept of the line is determined by the ratio of the y-intercept and the slope of the regression line. This x-intercept ...
Capillary electrophoresis (CE) is a family of electrokinetic separation methods performed in submillimeter diameter capillaries and in micro- and nanofluidic channels.Very often, CE refers to capillary zone electrophoresis (CZE), but other electrophoretic techniques including capillary gel electrophoresis (CGE), capillary isoelectric focusing (CIEF), capillary isotachophoresis and micellar ...
The method is named after Paul Job and is also used in instrumental analysis and advanced chemical equilibrium texts and research articles. Job first published his method in 1928, while studying the associations of ions in solution. [1]
Some instrumental aids to research on speech. In Report of the fourth annual round table meeting on linguistics and language teaching. Washington, D.C.: Institute of Languages and Linguistics, Georgetown University, 1953, 46-53. J. M. Borst, The use of spectrograms for speech analysis and synthesis, J. Audio Eng. Soc., 4, 14-23, 1956.